and millions... are polluting our environment. [ sniffing ] [ seagulls squawking ] >> following the latest with the bay bridge and those bolts that were found to be defective. jackie sissel is discovering more about these boats and their history. >> there are new reports out this morning indicating caltrans actually ordered some tests as early as 2008 on those boatsbulletolts. 96 of these bolts were put into the bay bridge. as they were being tightened, 33 of them actually it failed, cracked. the report today they say as early as 2008 there were questions about the integrity of these bowls and the manufacturer who actually made the bolts. that was the icing co. and ohio. caltrans ashley ordered additional tests on the bolts. they wanted to make sure that they were structurally it fine. for whatever reason, those tests were not done. one-third of the 96 bullets ultimately failed. why did tests were not done is obviously part of the investigation. how're they going to fix this? last week there was a press conference addressing this. they said their engineers are working hard to come up with